Saint Helena, CA 94574 10-Day Weather Forecast

Napa County10:22 AM PDT38.51°N, 122.46°W

Overview

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Today October 24

Sunny
Today
High 76°
Sunny

Sunny, with a high near 76. Northeast wind 0 to 6 mph.

Precip 0%Wind NE 0 to 6 mph
Mostly Clear
Tonight
Low 43°
Mostly Clear

Mostly clear. Low around 43, with temperatures rising to around 45 overnight. Wind around 0 mph.

Precip 0%Wind 0 mph
Rain/precip total0.00 in
Gusts to14 mph
UV index4 Moderate
Sunrise7:29 AM
Sunset6:21 PM
Daylight10 h 52 min
Moon Waxing Gibbous (98%)

Tomorrow October 25

Mostly Sunny
Sunday
High 74°
Mostly Sunny

Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Southeast wind around 2 mph.

Precip 0%Wind SE 2 mph
Partly Cloudy then Areas Of Fog
Sunday Night
Low 42°
Partly Cloudy then Areas Of Fog

Areas of fog after 3am. Partly cloudy, with a low around 42. West northwest wind around 1 mph.

Precip 0%Wind WNW 1 mph
Rain/precip total0.00 in
Gusts to9 mph
UV index4 Moderate
Sunrise7:30 AM
Sunset6:20 PM
Daylight10 h 49 min
Moon Full Moon (100%)

Monday October 26

Areas Of Fog then Mostly Sunny
Monday
High 71°
Areas Of Fog then Mostly Sunny

Areas of fog before 9am. Mostly sunny, with a high near 71. West wind 0 to 5 mph.

Precip 0%Wind W 0 to 5 mph
Areas Of Fog
Monday Night
Low 40°
Areas Of Fog

Areas of fog after 11pm. Mostly clear, with a low around 40.

Precip 0%Wind WNW 0 to 5 mph
Rain/precip total0.00 in
Gusts to15 mph
UV index4 Moderate
Sunrise7:31 AM
Sunset6:18 PM
Daylight10 h 47 min
Moon Full Moon (99%)

Tuesday October 27

Areas Of Fog then Mostly Sunny
Tuesday
High 71°
Areas Of Fog then Mostly Sunny

Areas of fog before 9am. Mostly sunny, with a high near 71.

Precip 1%Wind NNW 2 mph
Partly Cloudy
Tuesday Night
Low 41°
Partly Cloudy

Partly cloudy, with a low around 41.

Precip 0%Wind 0 mph
Rain/precip total0.00 in
Gusts to6 mph
Sunrise7:32 AM
Sunset6:17 PM
Daylight10 h 45 min
Moon Waning Gibbous (97%)

Wednesday October 28

Areas Of Fog then Partly Sunny
Wednesday
High 69°
Areas Of Fog then Partly Sunny

Areas of fog before 9am. Partly sunny, with a high near 69.

Precip 1%Wind WNW 1 mph
Mostly Cloudy then Areas Of Fog
Wednesday Night
Low 43°
Mostly Cloudy then Areas Of Fog

Areas of fog after 3am. Mostly cloudy, with a low around 43.

Precip 11%Wind 0 mph
Rain/precip total0.00 in
Gusts to6 mph
Sunrise7:33 AM
Sunset6:16 PM
Daylight10 h 42 min
Moon Waning Gibbous (91%)

Thursday October 29

Areas Of Fog then Slight Chance Light Rain
Thursday
High 66°
Areas Of Fog then Slight Chance Light Rain

Areas of fog before 10am, then a slight chance of rain. Partly sunny, with a high near 66.

Precip 24%Wind W 1 mph
Chance Light Rain
Thursday Night
Low 42°
Chance Light Rain

A chance of rain before midnight, then a chance of rain and patchy fog between midnight and 2am, then areas of fog and a chance of rain. Mostly cloudy, with a low around 42.

Precip 30%Wind WNW 1 mph
Rain/precip total0.03 in
Gusts to7 mph
Sunrise7:34 AM
Sunset6:15 PM
Daylight10 h 40 min
Moon Waning Gibbous (84%)

Friday October 30

Areas Of Fog then Chance Light Rain
Friday
High 65°
Areas Of Fog then Chance Light Rain

Areas of fog and a chance of rain before 8am, then a chance of rain and patchy fog. Partly sunny, with a high near 65.

Precip 30%Wind N 1 mph
Chance Light Rain then Areas Of Fog
Friday Night
Low 41°
Chance Light Rain then Areas Of Fog

A chance of rain before 11pm, then a chance of rain and patchy fog between 11pm and midnight, then areas of fog and a chance of rain. Mostly cloudy, with a low around 41.

Precip 27%Wind WNW 1 mph
Rain/precip total0.17 in
Gusts to8 mph
Sunrise7:35 AM
Sunset6:13 PM
Daylight10 h 38 min
Moon Waning Gibbous (74%)

Saturday October 31

Extended outlook
Mostly clear
Saturday
High 62°
Mostly clear
Sunny
Saturday Night
Low 41°
Sunny
Rain/precip total0.00 in
Sunrise7:36 AM
Sunset6:12 PM
Daylight10 h 36 min
Moon Waning Gibbous (63%)

Sunday November 1

Extended outlook
Sunny
Sunday
High 62°
Sunny
Sunny
Sunday Night
Low 40°
Sunny
Rain/precip total<0.01 in
Sunrise6:37 AM
Sunset5:11 PM
Daylight10 h 34 min
Moon Last Quarter (51%)

National Weather Service forecast updated 5 hrs ago.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.